Sony PCG-SR33 - Manual (Page 31)

Using Memory Stick ® Media
31
For more details on using compatible devices with MG Memory Stick media,
refer to the instructions that came with your compatible device, or use
PictureGear Help.
Write-Protecting a Memory Stick Media
Memory Stick media is designed with a write-protect tab to protect valuable data
from accidental erasure or overwriting. Move the tab to the right or left to set or
release write-protection.
Using a Compatible Device
Write-protect off Data can be saved on the Memory Stick media.
Write-protect on Data can be read from but not saved on the Memory Stick media.
Using the Write-protect Tab
LOCK
LOCK LOCK
(Back of Memory Stick Media)
Write-protect on Write-protect off